Mason jar



FIG. 1 is a top perspective view showing the top, front, and right sides of a mason jar;

FIG. 2 is a front elevation view of the mason jar;

FIG. 3 is a rear elevation view of the mason jar;

FIG. 4 is a left side elevation view of the mason jar;

FIG. 5 is a right side elevation view of the mason jar;

FIG. 6 is a bottom plan view of the mason jar; and,

FIG. 7 is a top plan view of the mason jar.

The broken lines in the drawing depict portions of the mason jar that form no part of the claimed design. 

CLAIM The ornamental design of mason jar, as shown and described. 